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| 1 | +/** |
| 2 | + * |
| 3 | + * Copyright © 2026 Ping Identity Corporation. All right reserved. |
| 4 | + * |
| 5 | + * This software may be modified and distributed under the terms |
| 6 | + * of the MIT license. See the LICENSE file for details. |
| 7 | + * |
| 8 | + **/ |
| 9 | + |
| 10 | +import { beforeEach, describe, expect, it, vi } from 'vitest'; |
| 11 | + |
| 12 | +import { loadCaptchaScript, resolveGrecaptcha } from './captcha.utilities'; |
| 13 | + |
| 14 | +vi.stubGlobal('window', globalThis); |
| 15 | + |
| 16 | +describe('resolveGrecaptcha', () => { |
| 17 | + beforeEach(() => { |
| 18 | + vi.stubGlobal('grecaptcha', undefined); |
| 19 | + }); |
| 20 | + |
| 21 | + it('returns grecaptcha.enterprise when enterprise namespace is present', () => { |
| 22 | + const enterprise = { ready: vi.fn(), render: vi.fn(), execute: vi.fn() }; |
| 23 | + vi.stubGlobal('grecaptcha', { enterprise }); |
| 24 | + expect(resolveGrecaptcha()).toBe(enterprise); |
| 25 | + }); |
| 26 | + |
| 27 | + it('falls back to window.grecaptcha when enterprise namespace is absent', () => { |
| 28 | + const classic = { ready: vi.fn(), render: vi.fn(), execute: vi.fn() }; |
| 29 | + vi.stubGlobal('grecaptcha', classic); |
| 30 | + expect(resolveGrecaptcha()).toBe(classic); |
| 31 | + }); |
| 32 | +}); |
| 33 | + |
| 34 | +describe('loadCaptchaScript', () => { |
| 35 | + let appendedScript: { |
| 36 | + src: string; |
| 37 | + async: boolean; |
| 38 | + onload: (() => void) | null; |
| 39 | + onerror: (() => void) | null; |
| 40 | + }; |
| 41 | + let mockQuerySelector: ReturnType<typeof vi.fn>; |
| 42 | + let mockAppendChild: ReturnType<typeof vi.fn>; |
| 43 | + |
| 44 | + beforeEach(() => { |
| 45 | + vi.stubGlobal('grecaptcha', undefined); |
| 46 | + appendedScript = { src: '', async: false, onload: null, onerror: null }; |
| 47 | + mockAppendChild = vi.fn(); |
| 48 | + mockQuerySelector = vi.fn().mockReturnValue(null); |
| 49 | + vi.stubGlobal('document', { |
| 50 | + querySelector: mockQuerySelector, |
| 51 | + createElement: () => appendedScript, |
| 52 | + head: { appendChild: mockAppendChild }, |
| 53 | + }); |
| 54 | + }); |
| 55 | + |
| 56 | + it('injects a new script tag and resolves on load for hcaptcha', async () => { |
| 57 | + const promise = loadCaptchaScript({ |
| 58 | + src: 'https://js.hcaptcha.com/1/api.js', |
| 59 | + provider: 'hcaptcha', |
| 60 | + }); |
| 61 | + expect(appendedScript.src).toBe('https://js.hcaptcha.com/1/api.js'); |
| 62 | + expect(mockAppendChild).toHaveBeenCalledOnce(); |
| 63 | + appendedScript.onload?.(); |
| 64 | + await promise; |
| 65 | + }); |
| 66 | + |
| 67 | + it('injects a new script tag and waits for grecaptcha.ready on load', async () => { |
| 68 | + const mockReady = vi.fn((fn: () => void) => fn()); |
| 69 | + const promise = loadCaptchaScript({ |
| 70 | + src: 'https://www.google.com/recaptcha/api.js', |
| 71 | + provider: 'grecaptcha', |
| 72 | + }); |
| 73 | + expect(appendedScript.src).toBe('https://www.google.com/recaptcha/api.js'); |
| 74 | + vi.stubGlobal('grecaptcha', { ready: mockReady }); |
| 75 | + appendedScript.onload?.(); |
| 76 | + await promise; |
| 77 | + expect(mockReady).toHaveBeenCalledOnce(); |
| 78 | + }); |
| 79 | + |
| 80 | + it('reuses existing script and resolves immediately for hcaptcha', async () => { |
| 81 | + mockQuerySelector.mockReturnValue({ addEventListener: vi.fn() }); |
| 82 | + await loadCaptchaScript({ src: 'https://js.hcaptcha.com/1/api.js', provider: 'hcaptcha' }); |
| 83 | + expect(mockAppendChild).not.toHaveBeenCalled(); |
| 84 | + }); |
| 85 | + |
| 86 | + it('reuses existing script and calls grecaptcha.ready when already present', async () => { |
| 87 | + const mockReady = vi.fn((fn: () => void) => fn()); |
| 88 | + vi.stubGlobal('grecaptcha', { ready: mockReady }); |
| 89 | + mockQuerySelector.mockReturnValue({ addEventListener: vi.fn() }); |
| 90 | + await loadCaptchaScript({ |
| 91 | + src: 'https://www.google.com/recaptcha/api.js', |
| 92 | + provider: 'grecaptcha', |
| 93 | + }); |
| 94 | + expect(mockAppendChild).not.toHaveBeenCalled(); |
| 95 | + expect(mockReady).toHaveBeenCalledOnce(); |
| 96 | + }); |
| 97 | + |
| 98 | + it('rejects when the script fails to load', async () => { |
| 99 | + const promise = loadCaptchaScript({ |
| 100 | + src: 'https://bad.example.com/api.js', |
| 101 | + provider: 'hcaptcha', |
| 102 | + }); |
| 103 | + appendedScript.onerror?.(); |
| 104 | + await expect(promise).rejects.toThrow('Failed to load CAPTCHA script'); |
| 105 | + }); |
| 106 | +}); |
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